perf: 优化类型问题

src/modules/share/dto/create-share.dto.ts

@@ -13,7 +13,7 @@ export class CreateShareDto {
   @IsString()
   @IsNotEmpty({ message: '标题不能为空' })
   @MaxLength(100, { message: '标题不能超过100个字符' })
-  title: string;
+  title!: string;
 
   @ApiProperty({
     description: '6个关卡ID',
@@ -23,5 +23,5 @@ export class CreateShareDto {
   @ArrayMinSize(6, { message: '需要恰好6个关卡' })
   @ArrayMaxSize(6, { message: '需要恰好6个关卡' })
   @IsString({ each: true })
-  levelIds: string[];
+  levelIds!: string[];
 }

src/modules/share/dto/share-response.dto.ts

@@ -2,48 +2,48 @@ import { ApiProperty } from '@nestjs/swagger';
 
 export class CreateShareResponseDto {
   @ApiProperty({ description: '分享码' })
-  shareCode: string;
+  shareCode!: string;
 
   @ApiProperty({ description: '分享标题' })
-  title: string;
+  title!: string;
 
   @ApiProperty({ description: '关卡数量' })
-  levelCount: number;
+  levelCount!: number;
 }
 
 export class ShareLevelDto {
   @ApiProperty()
-  id: string;
+  id!: string;
 
   @ApiProperty()
-  level: number;
+  level!: number;
 
   @ApiProperty()
-  imageUrl: string;
+  imageUrl!: string;
 
   @ApiProperty()
-  answer: string;
+  answer!: string;
 
   @ApiProperty({ nullable: true })
-  hint1: string | null;
+  hint1!: string | null;
 
   @ApiProperty({ nullable: true })
-  hint2: string | null;
+  hint2!: string | null;
 
   @ApiProperty({ nullable: true })
-  hint3: string | null;
+  hint3!: string | null;
 
   @ApiProperty()
-  sortOrder: number;
+  sortOrder!: number;
 }
 
 export class JoinShareResponseDto {
   @ApiProperty({ description: '分享码' })
-  shareCode: string;
+  shareCode!: string;
 
   @ApiProperty({ description: '分享标题' })
-  title: string;
+  title!: string;
 
   @ApiProperty({ description: '关卡列表', type: [ShareLevelDto] })
-  levels: ShareLevelDto[];
+  levels!: ShareLevelDto[];
 }